15920968

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 36495360

約数和(自身を除く): 20574392

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 47, 56, 92, 94, 161, 184, 188, 263, 322, 329, 376, 526, 644, 658, 1052, 1081, 1288, 1316, 1841, 2104, 2162, 2632, 3682, 4324, 6049, 7364, 7567, 8648, 12098, 12361, 14728, 15134, 24196, 24722, 30268, 42343, 48392, 49444, 60536, 84686, 86527, 98888, 169372, 173054, 284303, 338744, 346108, 568606, 692216, 1137212, 1990121, 2274424, 3980242, 7960484, 15920968]

約数ペア:

[(1, 15920968), (2, 7960484), (4, 3980242), (7, 2274424), (8, 1990121), (14, 1137212), (23, 692216), (28, 568606), (46, 346108), (47, 338744), (56, 284303), (92, 173054), (94, 169372), (161, 98888), (184, 86527), (188, 84686), (263, 60536), (322, 49444), (329, 48392), (376, 42343), (526, 30268), (644, 24722), (658, 24196), (1052, 15134), (1081, 14728), (1288, 12361), (1316, 12098), (1841, 8648), (2104, 7567), (2162, 7364), (2632, 6049), (3682, 4324)]